Java判断是否是中文

public static boolean isChinese(String strName) {
		char[] ch = strName.toCharArray();
		for (int i = 0; i < ch.length; i++) {
			char c = ch[i];
			if (isChinese(c)) {
				return true;
			}
		}
		return false;
	}

public static boolean isChinese(char c) {
	Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
	if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
			|| ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS
			|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A
			|| ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B
			|| ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION
			|| ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS
			|| ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) {
		return true;
	}
	return false;
}
public static boolean isCh